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Track inspection equipment

Equipment for rail stress management

VERSE is Pandrol's internationally accredited instrument for stress-free temperature rail measurement. It enables stress-free temperature measurement of continuously welded rail, without cutting. Trusted in over 20 countries, VERSE delivers an accurate rail stress measurement result trackside, helping you manage track buckling and breakage risks before they endanger your network. Combined with the Pandrol Stressing rollers this method is effective and safe for the operators.

What are Equipment for rail stress management products and how do they work?

VERSE is a non-destructive instrument that measures the stress-free temperature (SFT) of continuously welded rail without cutting it. A clamp and built-in hydraulic jack lift a short, unclipped section of rail while load and displacement transducers record the force and deflection profile of the lift. A handheld computer combines this data with the ambient rail temperature and rail profile to calculate an instant SFT result trackside. Because VERSE measures stress-free temperature directly from the rail in track, it is unaffected by residual stresses from manufacture, making it reliable across mainline, high speed, heavy haul, light rail and metro networks.

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  • Non-destructive measurement, so there's no need to cut the rail.

  • Instant trackside result, typically within 20 to 30 minutes per test.

  • Unaffected by residual stress from manufacture, for reliable readings anywhere in the network.

Product benefits

  • Faster surveys, less disruption

    VERSE removes the need to cut the rail, so crews survey track faster, with tests complete in 20 to 30 minutes.

  • Proven accuracy trackside

    The system compensates for rail wear and curvature, and is validated as the industry standard for SFT measurement.

  • Lower cost, better planning

    Non-destructive testing costs a fraction of traditional methods, helping you plan maintenance and reduce risk.

Overview

Measuring the stress-free temperature of continuously welded rail helps prevent buckles and breaks. Our VERSE® system carries out rail stress measurement without cutting the rail, returning an instant, trackside result for immediate action.  

Overview

Pandrol Stressing Rollers (VSR) lift unclipped rail clear of the sleeper using a self-locking arm, so it can be moved with very low friction during stressing. The Pandrol Vortok Stressing Roller removes the need for rail jacks or reaching under the rail, cutting a 900m stressing run by over two hours, bringing additional safety to the operators during destressing operations.

Rail Stress Management,VERSE (Canto)
Featured Project
  • Conventional Lines
  • India

Transforming Rail Stress Management Across Indian Railways with VERSE

Indian Railway / 2025

Pandrol Rahee Technologies was successful in securing a pilot project with Indian Railway to trial the use of the VERSE for North Eastern Railways (NER) at different climatic conditions.

Discuss your Track inspection equipment project with our team.

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Did you know?

There are more Pandrol clips in service than there are people in Europe. Over three-times the amount to be precise. We have 3 billion clips in use and Europe has a population of around 750 million.